In matters of human affairs, there is little stranger than our tendency to draw fine distinctions of style and status where none are needed. We do it with hats, with indie rock groups, with preschool programmes and, now, with vaccines.
Saudi Arabia, which bars direct travel from Pakistan, has only approved the AstraZeneca, Pfizer, Moderna and Johnson and Johnson vaccines. Anyone arriving without one of those shots is required to quarantine at a cost many Pakistani workers say they cannot afford.
AstraZeneca also revealed in other findings that its preventative moniclonal antibody treatment, Evusheld, "retains neutralisation activity" against Omicron.
The European Medicines Agency's human medicines committee "has recommended granting a marketing authorisation for Evusheld, developed by AstraZeneca for the prevention of Covid-19 in adults and adolescents from 12 years of age."